How Many Litters Can a Dog Have in a Lifetime?
Last Updated Apr 1, 2020 7:40:28 PM ET

Dogs are capable of giving birth up until their death because, unlike humans, dogs do not experience menopause in old age. Different breeds have different life spans, so the number of litters possible over a lifetime depends in part on the type of dog.
Female dogs go into heat every six months from the onset of their first heat. The gestation period is approximately 63 days, with an additional six weeks of nursing the puppies. Theoretically, a dog can give birth three times per year over its lifetime, but this puts tremendous strain on its body. Professional breeders generally breed their dogs twice in the animal's lifetime between the ages of 6 and 8 years.
More From Reference

Why “The Immortal Life of Henrietta Lacks” Matters in a Post-Pandemic World

Are Purple Sea Urchins Viruses in the Ocean? Why You Should Be Eating More Uni

Greek Mythology Stories: Persephone and the Origin of the Seasons

All About Bunnies: 10+ Facts About Rabbits

What Is the Market Volatility Index, and How Does It Impact Your Investments?

8-Bit Oinkers: These Tech-Savvy Pigs Are Mastering Video Games